Question

How the historian find the ruling period of emperors or kings

Answer 1

Explanation:

Ancient empires Edit

Persian Empire (559 BC–330 BC)—see List of kings of Persia

Hellenistic Empire (331 BC–301 BC)—see Alexander the Great and Diadochi

Mauryan Empire (321 BC–185 BC)—see Mauryan dynasty

China Empire (221 BC–1912)—see Table of Chinese monarchs

Funan (68–550)—see List of Kings of Cambodia

Roman Empire (27 BC–476)—see List of Roman Emperors

Ethiopian Empire (ca. 3rd century–1975)—see Emperor of Ethiopia, Rulers and heads of state of Ethiopia, and Kings of Axum

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